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Fensulfothion (O,O-diethyl-O-(4-(methylsulfinyl)) phosphorothioate) is a toxic organophosphate insecticide and nematicide.


  1. #Chemical Description
  2. #Uses
  3. #Health Effects
  4. #Environmental Effects
  5. #External Links
  6. #References



    Just the facts

    Physical Information

    Name: Fensulfothion

    Use: organophosphate insecticide and nematacide

    Source: synthetic chemistry

    Recommended daily intake: none

    Absorption: dermal, inhalation, ingestion

    Sensitive individuals:


    Regulatory facts:


    Chemical Structure

    ----Structure Retrieved from #INCHEM, 1972.

Chemical Description

Fensulfothion is a yellow-brown liquid at room temperature that is relatively stable (#INCHEM, 1972).


Fensulfothion was used against soil nematodes and a broad spectrum of soil-borne insects in field crops, vegetables and fruit. It is also used against nematodes in turf grasses, flowers and ornamental plants (#INCHEM, 1980).

Health Effects

The health effects of fensulfothion are similar to the health effects of other Organophosphates and they revolve around the inhibition of cholinesterase. It is highly toxic to mammals and can be absorbed dermally, through inhalation, or through ingestion (#INCHEM, 1980).


International Programme on Chemical Safety. Fensulfothion. 1972. Accessed 6-20-07.

International Programme on Chemcical Safety and World Health Organization (WHO). DATA SHEETS ON PESTICIDES No. 44 - FENSULFOTHION. March 1980. Accessed 4-20-07.

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